The lining of the lower respiratory tract presents barriers to drug absorption and includes which of the following elements? 1. Airway surface liquid 2. Capillary vascular network 3. Epithelial cells 4. Interstitium
a. 1 and 2 only
b. 1 and 3 only
c. 1, 2, and 3 only
d. 1, 2, 3, and 4
ANS: D
You might also like to view...
Medical assisting became a recognized health care profession in:
A) 1961. B) 1963. C) 1978. D) 1980.
Which type of consent must be used by the EMT when seeking to treat a mentally competent adult?
A) Implied consent B) Unconditional consent C) Expressed consent D) Conscious consent
Point-of-service (POS) plans are becoming more popular because they offer more flexibility and freedom of choice than do standard health maintenance organizations (HMOs)
Indicate whether this statement is true or false.
Compare the choices below to determine which type of provider service would most likely NOT be covered by a health plan.
A. a surgery performed on an outpatient basis B. a medical procedure that is not included in a plan's benefits C. an illness that started after the insurance coverage began D. all elective procedures performed in the hospital